1. Sissejuhatus
The Intermatic EI500WC is a 7-day single-pole digital time switch designed for automated control of lights, fans, pumps, and other medium-duty loads. It offers up to 7 ON and 7 OFF operations per week, providing flexibility for energy savings, security, and convenience. This timer is compatible with incandescent, fluorescent, CFL, and LED lighting.
This manual provides detailed instructions for the safe installation, setup, programming, and maintenance of your EI500WC digital time switch.

Figure 1: Intermatic EI500WC Digital Time Switch installed in a standard wall plate.
2. Ohutusmeetmed
Please read and understand all instructions before installing or operating this device. Failure to follow these instructions may result in electrical shock, fire, or serious injury.
- HOIATUS: Risk of Electric Shock. Disconnect power at the circuit breaker or fuse box before installation or servicing.
- Paigalduse peab teostama kvalifitseeritud elektrik vastavalt kõigile kohalikele ja riiklikele elektrieeskirjadele.
- Do not use this device with loads exceeding its specified electrical ratings.
- Veenduge, et kõik juhtmeühendused on kindlad ja korralikult isoleeritud.
- See seade on mõeldud kasutamiseks ainult siseruumides.
3. Pakendi sisu
- Intermatic EI500WC 7-Day Digital Time Switch
- Traatmutrid
- Kasutusjuhend (see dokument)
4. Toote lõppview
The EI500WC features a clear digital display and intuitive buttons for programming. The main ON and OFF buttons are visible on the front, while programming buttons are located behind a hinged cover.

Joonis 2: Esiosa view of the EI500WC with the programming button cover open, showing CLK, DAY, PROG, RESET, HOUR, MIN, and MODE buttons.
5. Paigaldusjuhised
5.1. Vajalikud tööriistad
- Kruvikeeraja (Phillips ja/või lamepea)
- Traadi eemaldajad
- Voltage Tester
- Elektriline lint
5.2. Juhtmete ühendamise juhised
- Lülitage toide välja: Leidke vahetatavat lülitit juhtiv kaitselüliti või sulavkaitse ja lülitage see VÄLJA. Veenduge, et toide on välja lülitatud, kasutades volüümiandurit.tage testija.
- Eemaldage vana lüliti: Carefully remove the existing wall plate and switch from the electrical box.
- Tuvastage juhtmed: The EI500WC requires a neutral wire. Identify the LINE (hot), LOAD, NEUTRAL, and GROUND wires in your electrical box. If a neutral wire is not present, consult a qualified electrician.
- Ühendage juhtmed: Use the provided wire nuts to connect the EI500WC wires to your household wiring as shown in the diagram below.
- Black wire (LINE): Ühendage kaitselülitist tuleva kuumajuhtmega.
- Red wire (LOAD): Connect to the wire going to the light fixture or appliance.
- White wire (NEUTRAL): Connect to the neutral wire (typically white) in the electrical box.
- Green wire (GROUND): Ühendage elektrikarbi palja vask- või rohelise maandusjuhtmega.

Figure 3: Wiring diagram for the EI500WC, showing connections for LINE (Black), LOAD (Red), NEUTRAL (White), and GROUND (Green).
5.3. Paigaldamine
- Carefully push the wired timer into the electrical box, ensuring wires are not pinched.
- Secure the timer to the electrical box using the mounting screws.
- Attach the wall plate (not included) over the timer.
- Taasta võimsus: Lülitage kaitselülitist toide uuesti sisse.
6. Algseadistus
Esmakordsel sisselülitamisel või pärast toite väljalülitamisttage, the display may show '12:00 AM' and 'MO'. The internal battery maintains settings during brief power interruptions.
6.1. Praeguse kellaaja ja päeva määramine
- Open the hinged cover to access the programming buttons (refer to Figure 2).
- Vajutage nuppu CLK nuppu. Ajanäidik hakkab vilkuma.
- Vajutage nuppu TUND button to set the current hour. Observe the AM/PM indicator.
- Vajutage nuppu MIN nuppu praeguse minuti määramiseks.
- Vajutage nuppu PÄEV button to set the current day of the week (MO, TU, WE, TH, FR, SA, SU).
- Vajutage CLK again to save the settings and exit time setting mode.
7. Kasutamine ja programmeerimine
The EI500WC allows for up to 7 ON and 7 OFF programming events per week. Each event can be set for a specific day or combination of days.
7.1. Sisse-/väljalülitusprogrammide seadistamine
- Avage hingedega kaas.
- Vajutage nuppu PROG nuppu. Ekraanile kuvatakse „1 ON“ ja aeg vilgub.
- Vajutage TUND ja MIN to set the desired ON time for program 1.
- Vajutage PÄEV to select the day(s) for this program. Options include individual days, weekdays (MO TU WE TH FR), weekends (SA SU), or all days (MO TU WE TH FR SA SU).
- Vajutage PROG uuesti. Ekraanile kuvatakse „1 OFF” ja aeg vilgub.
- Vajutage TUND ja MIN programmi 1 soovitud väljalülitusaja määramiseks.
- Vajutage PÄEV to select the day(s) for this OFF program (should match the ON program days).
- Repeat steps 2-7 for additional ON/OFF programs (up to 7 pairs). To skip a program, press PROG repeatedly until you reach the desired program number or exit programming mode.
- Vajutage CLK to exit programming mode and return to normal operation.
7.2. Juhuslik režiim
The random mode feature varies the ON/OFF schedule by a few minutes, providing a 'lived-in' appearance for enhanced security.
- To activate Random Mode: Press the REŽIIM button until 'RDM' appears on the display.
- To deactivate Random Mode: Press the REŽIIM button until 'RDM' disappears.
7.3. Käsitsi alistamine
You can manually turn the connected load ON or OFF at any time without affecting the programmed schedule.
- Vajutage suurt ON button to manually turn the load ON.
- Vajutage suurt VÄLJAS button to manually turn the load OFF.
- The timer will revert to its programmed schedule at the next scheduled ON or OFF event.
8. Hooldus
8.1. Aku teave
The EI500WC includes an internal battery that provides backup power to maintain time and program settings during power outages. This battery is typically long-lasting and not user-replaceable. If the display is blank or settings are lost frequently after power interruptions, the unit may need replacement.
8.2. Puhastamine
Puhastage taimeri pinda pehme lapigaamp riie. Ärge kasutage abrasiivseid puhastusvahendeid ega lahusteid.
9. Veaotsing
- Timer display is blank: Ensure power is supplied to the circuit. Check circuit breaker.
- Load does not turn ON/OFF as programmed:
- Verify current time and day are set correctly.
- Check that ON/OFF programs are set for the correct times and days.
- Ensure the timer is not in manual override mode conflicting with the program.
- Veenduge, et juhtmestiku ühendused on kindlad.
- Taimer kaotab pärast voolukatkestust seadedtage: The internal backup battery may be depleted. The unit may require replacement.
- Reset-nupp: If the timer behaves erratically, use a pointed object (like a paperclip) to press the recessed RESET button. This will clear all settings and restore default values, requiring you to re-enter time, day, and programs.
10. Tehnilised andmed
| Funktsioon | Spetsifikatsioon |
|---|---|
| Mudeli number | EI500WC |
| Voltage | 125 VAC, 60 Hz |
| Maksimaalne koormus | 15 Amps (1875 Watts) Resistive, 1000 Watts Tungsten |
| Mootori koormus | 1 / 4 HP |
| Programmide arv | Up to 7 ON/OFF events per week |
| Lüliti tüüp | Single-Pole (1-way) |
| Paigaldustüüp | Decorator Wall Plate/Standard Wall Box |
| Mõõdud (K x L x S) | 2.75" x 1.75" x 1.36" |
| Värv | Valge |
| Sertifikaadid | UL nimekirjas |
11. Garantii teave
Intermatic warrants this product to be free from defects in material and workmanship for a period of one (1) year from the date of purchase. This warranty covers replacement of the unit only and does not include labor costs associated with removal or reinstallation.
This warranty does not apply to defects resulting from improper installation, misuse, abuse, accident, or unauthorized modifications. For warranty service, please contact Intermatic customer support.
12. Klienditugi
If you have any questions regarding the installation, operation, or troubleshooting of your Intermatic EI500WC Digital Time Switch, please refer to the Intermatic website or contact their customer support directly. Always have your model number (EI500WC) available when contacting support.





